# -*- coding: utf-8 -*-
# 姓名:谚语
# 开发时间:2022/6/17 8:39
import json

from flask_restful import Resource, reqparse, request

from comment.models.goods import Product
from comment.models.index import *
from comment.utils.data2dict import datalist2dict, data2dict
from comment.utils.shopping_redis import redis_client


# 商品分类的资源类
class Shopping_Category(Resource):

    def get(self):
        # 从Redis读取数据
        data_cache = redis_client.get("index_category")

        if data_cache:  # 如果Redis中有数据，则返回Redis中的数据
            return json.loads(data_cache)
        else:  # 如果Redis中没有数据，则从mysql中查询数据，并且写入redis, 并且返回数据
            # rq = reqparse.RequestParser()
            # rq.add_argument('parent_id', required=True, type=int)
            # req = rq.parse_args()
            data = self.getData(0)
            if data:
                for item in data:
                    item.update({'list': ''})
                    data_secod = self.getData(item["id"])
                    item['list'] = data_secod
                    for item1 in data_secod:
                        item1.update({'list': ''})
                        data_third = self.getData(item1["id"])
                        item1['list'] = data_third
                # 把查询到的数据写入redis
                redis_client.setex('index_category', 3600 * 24, json.dumps(data))
                return data
            else:
                return {'message': 'none'}

    # 获取分类数据的静态方法
    @staticmethod
    def getData(parent_id):
        res = Category.query.with_entities(Category.id, Category.parent_id, Category.name) \
            .filter(Category.parent_id == parent_id).order_by(Category.sort.asc()).all()

        if res:
            return datalist2dict(res)
        else:
            return 'none'


class Dict_test(Resource):
    def get(self):
        # 取多条数据（所有字段）
        res = Category.query.with_entities(Category.id, Category.name).filter(Category.parent_id == 0).all()

        if res:
            return datalist2dict(res)
        else:
            return 'none'


# 首页
class Shopping_HomeNewProduct(Resource):
    def get(self):
        # res = HomeNewProduct.query.limit(10).all()
        res = HomeNewProduct.query.join(Product, HomeNewProduct.product_id == Product.id).with_entities \
            (Product.id, Product.default_pic, Product.price, Product.product_name, Product.rel_category3_id).limit(
            10).all()
        if res:
            data = datalist2dict(res)
            return data
        else:
            return {'message': 'none'}


# 首页人气热搜的资源类
class Shopping_HomeRecommendProduct(Resource):
    def get(self):
        # 从redis读取数据
        data_cache = redis_client.get("index_HomeRecommendProduct")
        if data_cache:  # 如果redis中有数据，则返回redis中的数据
            return json.loads(data_cache)
        else:  # redis中没有数据，则查询mysql数据库，把查询结果写入到redis,并返回数据
            res = HomeRecommendProduct.query.join(Product, HomeRecommendProduct.product_id == Product.id).with_entities \
                (Product.id, Product.default_pic, Product.price, Product.product_name, Product.rel_category3_id).limit(
                10).all()
            if res:
                data = datalist2dict(res)
                # 将查询数据写入redis
                redis_client.setex("index_HomeRecommendProduct", 3600 * 24, json.dumps(data))
                return data
            else:
                return {'message': 'none'}


# 首页专题的资源类
class Shopping_RecommendSubject(Resource):
    def get(self):
        res = CmsSubject.query.filter(
            CmsSubject.show_status == 1).all()

        res_list = []
        for res_obj in res:
            if res_obj:
                data = data2dict(res_obj)
                res_product = CmsSubjectProductRelation.query.join \
                    (Product, CmsSubjectProductRelation.product_id == Product.id).filter \
                    (CmsSubjectProductRelation.subject_id == res_obj.id).with_entities \
                    (Product.id, Product.default_pic, Product.price, Product.product_name,
                     Product.rel_category3_id).limit(10).all()
                if res_product:
                    data_product = datalist2dict(res_product)
                    data['productList'] = data_product
                    res_list.append(data)
        if len(res_list) > 0:
            print(res_list)
            return res_list
        else:
            return {'message': 'none'}


# class Shopping_RecommendSubject(Resource):
#     def get(self):
#         data_cache = redis_client.get('index_RecommendSubject')
#
#         # 从Redis中读取数据
#         if data_cache:
#             return json.loads(data_cache)
#         else:
#             res = CmsSubject.query.filter(CmsSubject.show_status == 1).all()
#             if res:
#                 data = datalist2dict(res)
#                 for i in range(len(data)):
#                     res_product = CmsSubjectProductRelation.query.join(Product, CmsSubjectProductRelation.product_id == Product.id)\
#                         .filter(CmsSubjectProductRelation.subject_id == data[i]['id'])\
#                         .with_entities(Product.id, Product.default_pic, Product.price, Product.product_name, Product.rel_category3_id)\
#                         .limit(10).all()
#                     if res_product:
#                         data[i]['productList'] = datalist2dict(res_product)
#                     else:
#                         data[i]['productList'] = ''
#
#                 # 将查询数据写入redis
#                 redis_client.setex('index_RecommendSubject', 3600 * 24, json.dumps(data))
#                 return data
#             else:
#                 return {'message': 'none'}
